... 250X1800MM,300X1800,350X1800MM,400X1800,450X1800,500X2100XMM . Products : electrode graphite /steel electrodes/electrodos de grafitograde :Impregnated graphite electrodes (IP)/High density (HD) High power ... in 1993, as one of the most famous manufacturers of graphite electrodes in China, there are two factories as our production ...